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Study on Excitation Force Caused by Vertical Motion of Audience Based on Continuously Measured Data of Live Hall Floor Vibration

Year: 2025

Type: article

Abstract: The vibration isolation floor using an inertial mass device developed by the authors is a floating floor structure with a clear load-deformation relationship, which enables an accurate evaluation of the excitation force of the audience’s vertical motion. Based on data obtained by measuring the vibration of a live hall floor for one year, we analyzed the excitation force of a hall floor for 1,000 people. By adjusting the inertia mass ratio considering the frequency dependence of the excitation force, the vibration isolation floor with an inertia mass device can significantly reduce the reaction force compared to a conventional floating floor.

Source: Journal of Structural and Construction Engineering (Transactions of AIJ)

DOI: 10.3130/aijs.90.1177

Authors: Naoto YOSHIDA, Sachie KOTSUKI, Yuta TOMIYOSHI, Takashi AOKI

Institution: Shimizu (Japan)

Language: English

Topic: Structural Engineering and Vibration Analysis

Subfield: Civil and Structural Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W4414639476

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